id:A107874 - OEIS Search Results

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Column 0 of triangle A107873; a(n) = C( n*(n-1)/2 + n+3, n).

+0
3

1, 4, 15, 84, 715, 8568, 134596, 2629575, 61523748, 1677106640, 52179482355, 1823810410032, 70724320184700, 3012192716517082, 139737927523546800, 7012067478708989884, 378371310857796292200, 21843987843214746108900 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=binomial(n*(n-1)/2+n+3, n)`
	CROSSREFS	`Cf. A107873, A107875.` `Sequence in context: A143340 A151379 A130679 this_sequence A034496 A079155 A076900` `Adjacent sequences: A107871 A107872 A107873 this_sequence A107875 A107876 A107877`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jun 04 2005`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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